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Related Experiment Videos

Abnormal tympanography after supine bottle feeding

S B Tully1, Y Bar-Haim, R L Bradley

  • 1Department of Pediatrics, University of California, Los Angeles, School of Medicine 91342-1495, USA.

The Journal of Pediatrics
|June 1, 1995
PubMed
Summary

Feeding infants in a supine position may lead to milk entering the middle ear, potentially causing ear infections. A semiupright position is recommended to prevent this, with repositioning after feeding possibly helping normalize ear pressure.

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Area of Science:

  • Pediatrics
  • Otolaryngology
  • Public Health

Background:

  • Otitis media is a common childhood illness.
  • Bottle feeding practices may influence middle ear health.
  • The supine feeding position is a potential risk factor.

Purpose of the Study:

  • To investigate the association between supine bottle feeding and middle ear pressure changes.
  • To determine if milk aspiration into the middle ear occurs during supine feeding.
  • To assess the impact of feeding position on infant ear health.

Main Methods:

  • A study involving 90 infants aged 7-24 months.
  • Infants were bottle-fed in either supine or semiupright positions.
  • Tympanometry was used to assess middle ear pressure before and after feeding.

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Main Results:

  • 59.6% of infants fed supine showed abnormal tympanograms post-feeding.
  • Only 15% of infants fed semiupright had abnormal results (p < 0.005).
  • Repositioning infants after feeding often normalized tympanograms.

Conclusions:

  • Supine bottle feeding significantly affects middle ear pressure, likely due to milk aspiration.
  • Feeding infants in a semiupright position is advisable.
  • Repositioning infants post-feeding may mitigate negative effects on middle ear pressure.